Improvement in carpets



J. C. DUGKWORTH.

Carpet.

No. 204,546. Patented .lune 4,1878.

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UNITED STATES' PATENT 'OEEIOE JOHN c.' DUOKWORTH, OF NEW YORK, N. Y., A'ssIG'NOR To E. s. HIGGINS a CO., OF SAME PLACE.

|MPR`OVEM ENT 1N cAnPETs.

Specification forming part of Letters Patent N0. 204,546, dated June 4, 1878; application filed February 15, 1878.

To all whom it may concem: f

Be it known that I, JOHN C. DUCKWORTH, of the city, county, and State of New York, have invented a new and useful Improvement in Carpets; and I hereby declare that the following is a full, clear, and exact description of the saine, reference being had to the accompanying drawings.

This invention is applicable more especially to the manufacture of that class of carpets known as Arvminster77 or Moquette,77 though it is also applicable to the manufacture of carpets with an uncut pile. It consists in a novel method of weaving and securing the tufts or pile and forming the foundation of the fabric, whereby I am enabled to use a coarser or commoner grade of yarn for the pile-warp, and to make a cheaper carpet having a very strong and firm foundation, in which the pile is very firmly secured.

This carpet is composed of a stuffingchain,

a binding-chain, a surface-binding chain, the

pile-warp or tufts, and a filling or weft thread combined in the manner described as follows, with reference to the drawings, in which- Figure l exhibits upon an enlarged scale a transverse section of a cut-pile carpet made according to my invention. Fig. 2 exhibits on la similar scale a longitudinal section in the line 9c x of Fig. l; and Fig. 3 exhibits a longitudinal section in the line y y of Fig. 1.

a a indicate the stuffing-chain; b b the piletufts; c c1 e2, the weft; el d, the binding-chain proper; ce, the surface-binding chain, thelatter being shaded in Figs. 2 and 3 darker than the binding-chain proper to enable one to be distinguished from the other.

The pile-tufts are held down to the foundation by weft-threads c2, which-pass through them above the stuing-chain. These weftthreads c2 are held down to the stuffing-chain c by means of the bindingchain proper, d, which passes, as shown in Figs. 2 and 3, above and down through the stuflin g-chain, and which is secured by weftthreads c1 below the stuffing-chain. The surfacebinding chain e does not pass below the stuffing-chain, but passes, as shown in Figs. 2 and 3, under the threads c2 of filling, which secure the pile-tufts, and

' over the alternating weft-threads c c, which chain.

pass between the pile-tufts above the stuffing The surface-binding chain e, thus arranged, is held down by the shots of weft c2 c2, which pass through the tufts and hold down the shots c c, which pass between the tufts, and so not only give greater firmness to the foundation, but assist in holding the tufts by giving them a lateral support. The tufts, being held down by the binding-chain proper and by the weft-threads c1 cl below the stuft'- ing-chain, have the pull or hold upon them by which they are secured in place more nearly perpendicular to the face of the web than if they were secured by a surfacebindng chain entirely above the stufngchain. They (the tufts) are thus more securely confined in the web; and as the weft-threads c c, which hold up the surface-bindin g chain, are thus enabled to be brought directly over those c1 c1 which hold down the binding-chain proper and the tufts below the stuffing-chain, the latter is enabled to be kept straighter, and the fabric has a firmer body than if the tufts were held down by the surface-bindin g chain.

In carrying out my invention a pile warp or chain may be used along with the stuffingchain, binding chain, and surface binding chain, in which case the several chains are operated in the following manner to receive the successive shots of weft:

To commence with, the iirst shot of weft, the pile-warp, the stuflingchain, and the surfacebinding chain are all raised, and the bindingchain proper is down. In this shed a shot of weft, either single or double, is thrown, and the pile-wire is also inserted, the pile-warp being raised above the other chains to permit the insertion of the wire.

For the second shot, the pile-warp, the stuft'- ing-chain, and the surface-binding chain are all down, the surface-chain is down, and the binding-chain proper is raised, and the shot of weft thrown in.

For the third shot, the pile-warp is raised, the stufng-chain is down, the surface-binding chain is raised, and the binding-chain proper is down, and the shot of weft is thrown in.

These operations are repeated, and the weav ing thus proceeds.

By this operation there is one shot of weft, c1,

onl the back for tW6,e c?, onthe-faeeof the' fabie,

faster than the surface-binding cha-in, they i must be plaeed on separate warpbeams, there being thus one beam for the pile-Warp, one for the stuffingehain, one for the Ibindimggr-Warp E. proper, and another for the surfaee'f-bindiing I b aud stuffing-chain a, of the binding-chain d, `WeftS or fillings c c1 o2, and the surface-binding chaine, arranged as shown-,wl'1ereby the tufts i are firmly supported laterally and held down .by the binding-chain engaging with the Wefts Warp.

Byusing coarse weft in combination witha stuffing-chain a firrn back o'r foundation for the fabric is obtained.

The pile-Warp may be dyed or ma37 have the pattern printed thereon before it is Woven, as

in tapestry Brussels carpets.

The pile may be eut or left uncut. when lit pose'.

In some ca-ses 'pile may be inserted in the formT of tufts, as i's now sometimes practiced in the manufacture of Moquette or Axminster I carpets, in which ease the tuft will be inserted when the shed is open to receive the first shot I of weft, as hereinbefore described.

do not claim a' fabric in which the tufts are held dfo'W by a surface-binding chain and weftthreads above the stufngehain.

.I a carpet,- the combination, with the tufts passing through saidtufts and around the Wefts on the backofl the stuiiing-ch'ain, asset p lffo'rtli. is eut thev pile-Wire' ifs' provided with a knife, and' the pile is eut as the pile-wire i's'wi-thdrawn by any of theWell-know devices forthat pun .ren-Nj e'.y DUCKWORTH. 

